Pushbutton keyboard assembly with over center diaphragm contact

作者: Danilo P. Buan , Richard F. Kingsbury

DOI:

关键词: Mechanical engineeringSpan (engineering)EngineeringStructural engineeringCenter (algebra and category theory)Diaphragm (mechanical device)Dome (geology)Base (geometry)

摘要: A switch assembly having a plurality of movable elements for connection with underlying fixed contact carried by base member, the insulative support sheet mounted on member. Each element is spaced an electrically sheet, and has pair opposed tines extending through received in member apertures. The may be dome shaped, partially cylindrical shape, span elements.